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When neurotransmitters bind with receptors on the dendrites the action can produce one of what two effects?
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Most psychoactive drugs produce their effects primarily by acting on?
neurotransmitters
Does cochlear hair cells produce neurotransmitters?
yes, they do produce neurotransmitters to send electrical impulses to the brain for sound sensed by them
How do alpha and beta receptors differ?
Affinity for different agonists, their locations throughout the body, the effects produced from their activation and supression. Presuming your talking about adrenergic receptorsAlpha adrenergic receptors & beta adrenergic receptors produce vasoconstriction and vasodilation respectively.
How does a substance such as Methamphetamines produce its effects?
The "substance" binds itself to the dopamine receptors and tricks the brain into believing it is receiving messages from dopamine.
What will happen to a person if his neurons fail to produce neurotransmitters?
The nervous system can't transmit messages without neurotransmitters. A person will die if his neurons fail to produce them.
What are light receptors?
Light receptors are found in the eye. There are two types of receptors; rods and cones. Rods produce the black and white pigments and the Cones produce the color pigments.
Are there neurotransmitters in our intestines and organs?
Yes, neurotransmitters are found wherever nerves are found.
Steroid hormones produce their effects in cells by?
disguising themselves as the male sex hormone, testosterone, which can cause mood swings and other side effects
Why does blood attract rats?
Pheromones released from the blood stimulate receptors in the anal gland of the rat, which, in turn, produce endorphins -- neurotransmitters that are commonly associated with pleasure. Thus, the more a rat smells blood, the more pleasure it receives, explaining its attraction.
What role does neurotransmitters play in neurotransmission?
In between 2 neurones is the synaptic cleft, the gap between the pre and post-synapse. NTs are the molecules which activate receptors on the post-synapse during synaptic transmission, The activated receptors initiate intracellular mechanisms such as ion channel opening, G-protein activation, etc, which can inhibit or produce action potentials (nerve impulses).
What controls sleep?
Neurotransmitters in the brain are in charge of whether someone is asleep or awake. When the brain begins to produce neurotransmitters like melatonin, someone will begin to feel sleepy.
What is the function of pethidine in the body?
According to how it works: (quote) Acts as agonist at specific opioid receptors in the CNS to produce analgesia, euphoria, sedation; the receptors mediating these effects are thought to be the same as those mediating the effects of endogenous opioids (enkephalins, endorphins).(end).It is agonist meaning that it helps the receptors in the brain and spinal cord to be more open to the actions of sedation and reduces the feeling of pain. All-in-all, it acts just like opium (opiate).
